What do you mean you’re NOT watching...

ANY DOUBTS THAT a second series might be stretching this concept out beyond its natural shelf life were quickly dismissed by the excellent first episode of season two. Suranne Jones is giving a career-best performance as the wounded and vengeful Gemma, and watching her and Bertie Carvel (as Gemma’s oily ex-husband Simon) hiss and spit at each other like a pair of venomous snakes is the most electrifying experience on TV right now. This week, the exes have to decide whether to put their hatred and distrust of each other aside, in the interest of what’s right for their son, Tom…